Neck cooler



FIG. 1 is a front view of a neck cooler, showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof

FIG. 6 is a bottom view thereof;

FIG. 7 is a front perspective view thereof; and,

FIG. 8 is a rear perspective view thereof.

The broken-line in the drawings are included for the purpose of showing portions of the article that form no part of the claimed design. 

CLAIM The ornamental design for a neck cooler, as shown and described. 